Question 972059
____________________speed____________time_____________distance
downstr_____________r+12______________(?)_______________51
upstrm______________r-12______________(?)_______________51
Total_______________________________{{{5&2/3}}}


RT=D basic uniform rates travel relationship, rate time distance


____________________speed____________time_____________distance
downstr_____________r+12_____________{{{51/(r+12)}}}________________51
upstrm______________r-12_____________{{{51/(r-12)}}}________________51
<b>Total</b>_______________________________{{{5&2/3}}}